Based on 10,000 miles a year for oil change, fuel filter(s), and oil filter,. For me an oil and filter change is $38 (full synthetic and Motorcraft filter) in my RV parking space, fuel filter is $10, air lifter is $14, no def, so $62 per year. The left over oil from the change goes in the generator. ISB takes 5 gallons of oil $110 (Shell Rotella T6 & Cummins oil filter) air filer $100, etc. A lot more people do the own service, as I do, but only a few of the owners of the newer diesels do. The 4 diesel coach owners that park near me average $350 for their yearly service all have ISB. So, I suppose I embellished a bit.
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Jim & Roy Davis
2016 Hurricane 31S
1961 Rampside in tow
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